Local Calling Guide

Area code/prefix search

Search area code/prefix (NPA/NXX)
  • Effective date searches are available only for US area codes. Our sources for non-US NPA-NXX data do not provide this information.
  • If you want to search an entire area code regardless of activity, leave both the next and past days fields set to zero.

NPA: 667 [Rate centres in NPA 667] [Dial plan for NPA 667]

NXX: 323

NPA-NXX BLOCK Rate Centre Region Switch OCN LATA LIR Eff date Disc date
667-323 A Queenstown MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
667-323 1 Queenstown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-323 2 Queenstown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-323 4 Queenstown MD SLBRMDSBXFX  6119 LEVEL 3 COMMUNICATIONS, LLC - MD 242      
667-323 5 Queenstown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-323 6 Queenstown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-323 7 Queenstown MD SLBRMDSBXVX  876D ONVOY, LLC - MD 242      
667-323 8 Queenstown MD SLBRMDSBX0X  624H ONVOY SPECTRUM, LLC 242      
667-323 9 Queenstown MD SLBRMDSBXMD  073H TELNYX LLC 242      

Last updated: Wed, 20 Nov 2024 21:20:06 UTC

Sponsored by: LES.NET

Like this site? We accept donations via PayPal.